Home / 3,134.51-4,325.58-1,718.31

Finding the Fourth Proportional to 3,134.51, 4,325.58 and 1,718.31

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Solution

The fourth proportional to 3,134.51, 4,325.58 and 1,718.31 is: 2,371.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,134.51 : 4,325.58 = 1,718.31 : x
  2. Step 2: Convert to fraction form
    3,134.51/4,325.58 = 1,718.31/x
  3. Step 3: Cross multiply
    3,134.51x = 4,325.58 × 1,718.31
  4. Step 4: Simplify right side
    3,134.51x = 7,432,687.37
  5. Step 5: Solve for x
    x = 7,432,687.37/3,134.51
  6. Step 6: Final answer
    x = 2,371.24

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.